package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;


/**
 * @author zzw
 */
@Mapper
public interface ShoppingCartMapper {

    /**
     * 动态条件查询
     *
     * @param shoppingCart 购物车对象
     * @return 购物车列表
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 根据id修改商品数量
     *
     * @param shoppingCart 购物车对象
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 插入购物车数据
     *
     * @param shoppingCart 购物车对象
     */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, " +
            "create_time) " +
            " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image}," +
            "#{createTime})"
    )
    void insert(ShoppingCart shoppingCart);

    /**
     * 根据用户id删除购物车数据
     *
     * @param userId 用户id
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

    /**
     * 根据id删除购物车数据
     *
     * @param id id
     */
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);

    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList 购物车列表
     */
    void insertBatch(@Param("shoppingCartList") List<ShoppingCart> shoppingCartList);
}